(TV5) -- We are following developing news on an Ogemaw County fire that broke out Saturday night, at the corner of West Houghton and Third Street in downtown West Branch. Michigan State Police are now calling the fire suspicious. Authorities tell WNEM TV5 that the fire started in a shed behind one of the businesses and quickly spread. Witnesses say at times the flames reached 60 to 80 feet high. There were injuries as a result of the fire; however none of them were serious.